| zb | Index Level | zd |
| Syntax | <ctrl>+zc |
| Category | Update processor |
| Type | Command |
| Description | displays the terminal's columnar positions at the top of the terminal. |
| Options | |
| See Also | z zb za zl zw zp zq zr zs zd ze zg zh zn zo zt z number delete text Update processor Update processor (UP) Update processor |
| Example | |
| Warnings | |
| Compatibility | D3 7.0 AP |
| zb | Index Level | zd |